Open English Wordnet
Nouns
(n)appliance, contraption, contrivance, convenience, gadget, gizmo, gismo, widgeta device or control that is very useful for a particular job
(n)contrivancethe faculty of contriving; inventive skill“his skillful contrivance of answers to every problem”
(n)contrivance, stratagem, dodgean elaborate or deceitful scheme contrived to deceive or evade“his testimony was just a contrivance to throw us off the track”
(n)contrivancean artificial or unnatural or obviously contrived arrangement of details or parts etc.“the plot contained too many improbable contrivances to be believable”